arm64: renesas: Convert boards over to is_cortex_a() functions
Use generic is_cortex_a() functions instead of open-coded midr_el1 read.
No functional change.
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/board/renesas/rcar-common/gen3-common.c b/board/renesas/rcar-common/gen3-common.c
index 4291e1d..004feca 100644
--- a/board/renesas/rcar-common/gen3-common.c
+++ b/board/renesas/rcar-common/gen3-common.c
@@ -7,6 +7,7 @@
* Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*/
+#include <asm/armv8/cpu.h>
#include <dm.h>
#include <fdt_support.h>
#include <hang.h>
@@ -50,14 +51,9 @@
void __weak reset_cpu(void)
{
- unsigned long midr, cputype;
-
- asm volatile("mrs %0, midr_el1" : "=r" (midr));
- cputype = (midr >> 4) & 0xfff;
-
- if (cputype == 0xd03)
+ if (is_cortex_a53())
writel(RST_CA53_CODE, RST_CA53RESCNT);
- else if (cputype == 0xd07)
+ else if (is_cortex_a57())
writel(RST_CA57_CODE, RST_CA57RESCNT);
else
hang();